Dawn Beach Weather in September
September in Dawn Beach typically sees daytime highs of 30°C (86°F) and nighttime lows of 27°C (81°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Dawn Beach in September
Typically, about 19 days will experience rainfall, with an average of 134 mm (5.3 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Dawn Beach in September
In September, expect high temperatures in Dawn Beach, with highs of 30°C (86°F) and lows of 27°C (81°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights are warm at 27°C (81°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.
Sunshine in Dawn Beach in September
There are approximately 232 hours of sunshine this month, resulting in mostly clear days.
Wind Speed in Dawn Beach in September
September has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.
Average water temperature in September
The water is 29°C (84°F) — very warm by most standards. Comfortable to swim in, but not particularly refreshing if you're looking to cool off.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June, July and December typically offer the best weather for Dawn Beach.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sint Maarten, check out our Dawn Beach's climate page.
Dawn Beach Temperature in September
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Water Temperature
29°C (84°F) *
Chance of Rain
62%
Precipitation
134 mm (5.3 in)
Rainy days
19 days
Humidity
78% *
Windspeed
5 m/s (10 knots) *
Sunshine
232 hours *
Percentage Sunshine
61% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Dawn Beach typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 27°C (81°F).
Average temperatures in September
Historical weather for Dawn Beach in September
Browse day-by-day weather records for Dawn Beach spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Dawn Beach historical weather extremes in September
The extremes listed below come from historical weather data collected in Dawn Beach from 1990 through 2025.
- Dawn Beach recorded its highest September temperature of 36°C (97°F) on September 3, 1992.
- The coldest September day was on September 21, 2008, with a maximum of 27°C (81°F).
- Dawn Beach registered its coldest September night on September 30, 2017, with temperatures dropping to 22°C (72°F).
Best Places in Sint Maarten in September
Find out more about the weather in Sint Maarten and which places have the best travel conditions in this month. See all of Sint Maarten in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Dawn Beach in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. The water temperature sits at about 29°C (84°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Dawn Beach in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sint Maarten, check out our Dawn Beach's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Dawn Beach climate overview or explore weather in Sint Maarten.
